Specifications Hign-Concerned Chemical:None Frame Color:Multi Lenses Material:Polycarbonate Lenses Color:Multi Gender:Men Frame Material:Tr (Vehicles And Accessories) Lens Width:13Cm Lens Height:9.2Cm Lenses Optical Attribute:Photochromic Origin:Mainland China Item Type:Eyewear Sport Type:Skiing Design - Suitable For Glasses Wearers: Single LensSki Goggles Use An (Over-The-Glasses) Design With A Large Panoramic Lens That Provides Enough Space To Wear Short-Sighted Or Reading Glasses Under TheSki Goggles. The Design Allows You To Wear It Over Most Prescription Glasses, Ensuring Clear Vision While You Enjoy The Fun Of Skiing. Photochromic Lenses: When Exposed To Uv Sunlight Outdoors, The Lenses Will Change Color According To The Intensity Of The Uv Rays. The Stronger The Uv Rays, The Darker The Lens Color Will Become. Wider Fieldof View And Clear Vision Without Fogging: MagneticSki Goggles Feature Large Cylindrical Magnetic Lenses That Provide A 180 Wider Field Of View And Clear Mirror Images. The Double Lens Design, Uv400 Protection And Anti-Fog Coatings (Inside And Outside) Ensure That Your Eyes Are Protected From Harmful Uv Rays While Skiing And You Have A Clear, Fog-Free Vision. Comfortable Foam And Ventilation System: Single LensSki Goggles Use Thick Three-Layer Foam Material That Fits Snugly Around The Eye Sockets And Will Not Cause Pressure Or Irritation Even If Worn For A Long Time. With Warming, Windproof And Moisture-Absorbing Function, As Well As An Excellent Ventilation System That Ensures Smooth Air Circulation To Prevent Fogging And Maintain Comfort. Helmet Compatible: ThisSki Goggles Is Compatible With Most Helmets, And The Adjustable Goggle Strap Meets Individual Requirements. The Inner Non-Slip Silicone Ensures That The Goggles Do Not Slip When Skiing. The Extra-Long Adjustment Strap Ensures Good Compatibility With All Helmets And Is Suitable For Men, Women And Teenagers.